Autumn Snowflake vs Chubby Grimmia

Acis autumnalis compared with Schistidium flaccidum

Key Differences

Autumn Snowflake is Least Concern while Chubby Grimmia is Not Evaluated.

Taxonomic Classification

Rank	Autumn Snowflake	Chubby Grimmia
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum	Magnoliophyta (Flowering Plants)	Bryophyta
Class	Liliopsida (Monocots)	Bryopsida (Bryopsida)
Order	Asparagales (Asparagales)	Grimmiales (Grimmiales)
Family	Amaryllidaceae	Grimmiaceae
Genus	Acis	Schistidium
Species	Acis autumnalis	Schistidium flaccidum

Evolutionary Relationship

Autumn Snowflake and Chubby Grimmia share a common ancestor at the Kingdom level: Plantae. (Plants)

View Kingdom: Plantae

Conservation Status

Autumn Snowflake

LC — Least Concern

Chubby Grimmia

NE — Not Evaluated

Physical Characteristics

Attribute	Autumn Snowflake	Chubby Grimmia
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Autumn Snowflake

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Found in Norway.

Chubby Grimmia

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

Autumn Snowflake

The Autumn Snowflake (Acis autumnalis) is a species in the genus Acis. It is currently classified as Least Concern on the IUCN Red List. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Chubby Grimmia

The Chubby Grimmia (Schistidium flaccidum) is a small acrocarpous moss in the family Grimmiaceae, found on acidic rock surfaces across northern Europe and Scandinavia. Despite its common name, the species belongs to the genus Schistidium rather than Grimmia, although the two genera are closely related within the family. S. flaccidum grows in compact cushion-forming tufts on siliceous boulders, cliff faces, and rocky outcrops in humid, often montane environments. The moss is documented from Norway and Sweden, where it occurs in habitats typical of boreal and subarctic rock communities. Like other Schistidium species, it produces sporophytes with exserted or immersed capsules that release spores for dispersal. The genus Schistidium is one of the largest among saxicolous (rock-dwelling) mosses, with many species distinguished by subtle differences in leaf shape, costa characteristics, and peristome structure. C. flaccidum has not been evaluated for conservation status by the IUCN and is listed as Not Evaluated. Rocky habitats support diverse bryophyte communities that are sensitive to air quality and moisture regimes. The ecology of Schistidium species on Scandinavian rock communities has been the subject of detailed phytosociological studies.